Excavation of Brisbane\'s first crossroads With a huge $50 million rig put into production, the river tunnel will be upgraded in a few weeks. The first of the two tunnels The boring machine was unveiled yesterday at Bowen Hill to coincide with the festival of St. Barbara, the patron of the tunnel dealer. Named Matilda, made in Germany, shipped to Australia and assembled in the world, the boring machine is ready to start working three months in advancerecord time. The machine will now be pushed forward into the tunnel and is expected to drill the rocks before Christmas. Mayor Campbell Newman, who launched the machine yesterday, published the milestone on the website of the old Liberal Party headquarters, five years ago for the first time he outlined his tunnel vision. \"This is an incredible machine-4000 tons, 260 long and 12 long. 4 m in diameter, basically 4- \"He said. Adam Hudson, director of the River City highway project, said that at the beginning of the tunnel project, there may be about 10,000 tons of damage per day. Most of the rock dump will be taken to the Australian Trade Coast site, which means that the fleet of up to 35 trucks per day will use the busy Kingsford Smith Lane. Mr. Hudson said the trucks will work 20 hours a day and will travel regularly in order to avoid the rush hour. Hourly conditions. Once the tunnel construction begins, the residents and businesses below the excavation will be warned that there is expected to be some noise from vibration, which the river city highway says should sound like a low hum \"The machine is moving at a fairly fast speed-20 m per day-you will notice it in a few days and then you will not notice it,\" Mr Hudson said . \". Yesterday, Cr Newman also accused the state government of delaying his other TransApex project, Hale St Link, for fear that construction of traffic congestion would cause traffic congestion.